<div class="sub-nav">
	<ul>
		<li class="first">Show</li>
		<li class="all<?php echo ($sub_nav=='all')?' on':null; ?>"><a href="/work">All</a></li>
		<li class="latest<?php echo ($sub_nav=='latest')?' on':null; ?>"><a href="/work/latest">Latest</a></li>
		<li class="clients<?php echo ($sub_nav=='clients')?' on':null; ?>"><a href="/work/clients">Clients</a></li>
		<li class="classics<?php echo ($sub_nav=='classics')?' on':null; ?>"><a href="/work/classics">Classics</a></li>
	</ul>
</div>